144544225 has 24 divisors (see below), whose sum is σ = 205611840. Its totient is φ = 98742720.

The previous prime is 144544189. The next prime is 144544243. The reversal of 144544225 is 522445441.

It is not a de Polignac number, because 144544225 - 2²⁵ = 110989793 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49866 + ... + 52684.

It is an arithmetic number, because the mean of its divisors is an integer number (8567160).

Almost surely, 2^144544225 is an apocalyptic number.

It is an amenable number.

144544225 is a deficient number, since it is larger than the sum of its proper divisors (61067615).

144544225 is a wasteful number, since it uses less digits than its factorization.

144544225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3129 (or 3124 counting only the distinct ones).

The product of its digits is 25600, while the sum is 31.

The square root of 144544225 is about 12022.6546569383. The cubic root of 144544225 is about 524.8077603038.

Adding to 144544225 its reverse (522445441), we get a palindrome (666989666).

The spelling of 144544225 in words is "one hundred forty-four million, five hundred forty-four thousand, two hundred twenty-five".